Guest Stars Andrew Terraciano as Sean Reagan Abigail Hawk as Det. Abigail Baker Gregory Jbara as DCPI Garrett Moore Sami Gayle as Nicole "Nicky" Reagan-Boyle Tony Terraciano as Jack Reagan Michael Potts as Thorton Mead Jinkx Monsoon as Dennis AKA Tallulah Rebecca Naomi Jones as Barbara Keyes Reed Birney as Burden Maxwell Larry Mitchell as Mickey O'Donnell Marc Raco as Sergeant Matthews Katie Maguire as Officer Flanagan Joe Maruzzo as Sal Laduca Rob Farrior as Skip Ballister Sharon Washington as Doris Cooper Steven Brinberg as Vijayjay Sings Gregory Haney as Larissa Co Starring Brian Edwards as CSU Tech Taryn Tonelli as Receptionist